== sanity test 124b: lru resize (performance test) ================================================================================= 20:49:12 (1746146952)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2145 (time 1746146964.17 total 10.01 last 214.34)
 - open/close 4641 (time 1746146974.17 total 20.01 last 249.58)
 - open/close 6550 (time 1746146984.18 total 30.01 last 190.78)
total: 8000 open/close in 38.33 seconds: 208.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
400
 - unlinked 0 (time 1746147068 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1724 (time 1746147108.13 total 10.00 last 172.38)
 - open/close 3231 (time 1746147118.13 total 20.00 last 150.69)
 - open/close 4909 (time 1746147128.14 total 30.01 last 167.73)
 - open/close 6685 (time 1746147138.15 total 40.02 last 177.41)
total: 8000 open/close in 48.34 seconds: 165.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 27 seconds
lru_size = 4006
4001
ls -la is 62% faster with lru resize enabled
 - unlinked 0 (time 1746147182 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second